Auto-generated website environment parameters

There are multiple articles on how to host a static website or Single Page Application (SPA) on AWS. But they rarely go into the topic of setting up the environment variables for the frontend application.

Let’s look beyond the part where most tutorials end – with the website deployed, how to parametrize it to call correct backend APIs and resources. We will look at the usual deployment process and improve it. In the end, the application will automatically reference the services from its own environment, both when deployed and locally.

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My AWS toolbox – tools, plugins and applications

Developers, like all specialists, discover and collect their favorite tools over time. Having a good, proven set of tools makes the work easier and more pleasant. We can focus on getting the job done. Sometimes eliminating minor inconveniences or improving a small element of everyday activity makes the greatest impact on the comfort of work.

It’s not always easy to find the best tools. There is a wide choice. More importantly, everyone has different habits and preferences. The best way is to test them yourself and see what suits you.

To help a little bit with that, here I present a collection of my AWS tools. These are applications, plugins, and extensions that I use in my daily work with AWS.

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Serverless Swagger UI for API Gateway

Amazon API Gateway provides an option to export the API schema as an OpenAPI Specification. With it, we can display our REST API as an interactive website. But we do not get a public URL to that specification file which we could use as a source for an interactive page like Swagger. Instead, we can only get the file from the AWS Console, CLI, or SDK.

This is why we need to do a few additional steps to get our beautiful documentation working. As a result, we will get a fully customizable website, with easy to implement access protection. And, maybe the most important, it will be always up-to-date, with no work required after changes in the API Gateway endpoints.

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